This software update will provide the opportunity to install the macOS Catalina with all the superb features on their Macs. With that opportunity, installing macOS Catalina and previous versions such as Mojave is pretty easy said and done. MacOS Catalina Patcher (formerly macOS Mojave Patcher, macOS High Sierra Patcher and macOS Sierra Patcher) is a small yet powerful tool that can help you create a bootable USB drive that can be used to install macOS Catalina on Mac computers older than mid 2012, basically acting as a macOS Mojave patch for unsupported Macs. This document describes the security content of macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available.

About Apple security updates

For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.

Apple security documents reference vulnerabilities by CVE-ID when possible.

For more information about security, see the Apple Product Security page.

macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update*, macOS Mojave 10.14.6 Security Update 2021-002

Released February 9, 2021

Intel Graphics Driver

Update To Macos Catalina 10.15.5

Available for: macOS Big Sur 11.2, macOS Catalina 10.15.7

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: An out-of-bounds write was addressed with improved input validation.

CVE-2021-1805: ABC Research s.r.o. working with Trend Micro Zero Day Initiative

Mac Update Catalina Issues

Intel Graphics Driver

Available for: macOS Big Sur 11.2, macOS Catalina 10.15.7

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: A race condition was addressed with additional validation.

CVE-2021-1806: ABC Research s.r.o. working with Trend Micro Zero Day Initiative

Sudo

Available for: macOS Big Sur 11.2, macOS Catalina 10.15.7, macOS Mojave 10.14.6

Impact: A local attacker may be able to elevate their privileges

Description: This issue was addressed by updating to sudo version 1.9.5p2.

Mac Slow After Update To Catalina

CVE-2021-3156: Qualys

* After installing this update, the build number for macOS Catalina 10.15.7 is 19H524.